ex 33:
1+(2 x 3) x 4=25
(5+5) x 5-(5:5)=49
(10 x 8) -6-4-2+0=68
ex 35:
a=64+(100-9 x 9- 5 x 2)=
64+(100-81-10)=
64+(19-10)=
64+9=73 (a)
b=37+(45-6 x 6 :6)=
37+(45-36:6)=
37+(45-6)=
37+39=76 (b)
c=23+(27:9-24:8)=
23+(3-3)=
23+0=23 (c)
2a+3b-4c= 273+376-423
279+376-423=
649-423=226
Sper ca te-am ajutat!
